UV Index in Cosautlan, Mexico

Last updated: May 3, 2025

Understanding the UV Index is essential for residents and visitors of Cosautlan, Mexico, where the climate — classified as Cfb — can lead to significant sun exposure throughout the year. Being aware of UV levels helps individuals take proactive measures to prevent sunburn and protect skin health. In this picturesque town, the UV Index can soar as high as 15 during midday, necessitating precautions to minimize risks associated with intense sunlight. By keeping an eye on the UV Index, you can enjoy all that Cosautlan has to offer while safeguarding your skin from harmful effects.

Hourly UV Index in Cosautlan

As the sun rises, the UV Index begins its steady climb, starting at a low of 1 at 7:00 AM and 8:00 AM. However, by 9:00 AM, it reaches 3, signaling the start of stronger rays. The peak occurs at 12:00 PM, soaring to a striking 14, and then hitting its maximum of 15 at 1:00 PM. For those out in the sun, this indicates a significant need for sun protection. The index gradually declines in the afternoon, dropping to 12 by 3:00 PM, and further to 5 by 5:00 PM, before returning to a low of 1 by 7:00 PM. This data emphasizes the importance of being sun-smart, particularly during those critical midday hours when the UV intensity is at its highest.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
Time	UVI	Category	Time to Burn
07:00	1	low	45 min
08:00	1	low	45 min
09:00	3	moderate	30 min
10:00	6	high	25 min
11:00	10	very high	15 min
12:00	14	extreme	10 min
13:00	15	extreme	10 min
14:00	14	extreme	10 min
15:00	12	extreme	10 min
16:00	8	very high	15 min
17:00	5	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Cosautlan

Throughout the year, UV Index levels exhibit significant seasonal fluctuations, with high-risk months typically from February to October. During this period, the UV Index peaks at 15, categorized as extreme, particularly from April to July, necessitating vigilant sun safety measures. In these months, the burn time is only 10 minutes, indicating a critical need for protective measures such as sunscreen, hats, and UV-blocking sunglasses. Conversely, November and December see a decrease in UV exposure, categorized as very high, with a lengthened burn time of 15 minutes in those months. Therefore, both visitors and residents are strongly advised to monitor UV levels regularly and take necessary precautions, especially during the warmer, sunnier months to minimize the risk of skin damage.

Monthly Maximum UV Index for Cosautlan, Mexico

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Cosautlan. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.

Data source: Statistical UV Index data for Cosautlan, based on information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

Compare Cosautlan UV Index with Other Mexico Cities

The table above highlights how UV exposure in Cosautlan compares to other major locations across Mexico. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Cosautlan's solar exposure compared to other cities in Mexico. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Guadalajara UVI	9	11	14	14	14	13	13	13	13	12	9	8
Iztapalapa UVI	10	12	14	15	14	14	14	14	14	12	10	8
Ecatepec de Morelos UVI	10	12	14	15	15	14	14	13	14	12	10	8
Mexico City UVI	10	12	14	15	15	14	14	13	14	12	10	8
Puebla UVI	10	12	14	15	15	15	15	14	14	13	10	9
Cosautlan	10	12	14	15	15	15	15	14	14	13	10	9